Alaska earthquakes

M3.0 earthquake 80 km ESE of King Salmon, Alaska

A magnitude 3.0 earthquake struck 80 km ESE of King Salmon, Alaska on Sat, Sep 4, 2021, 8:56 AM AKDT (16:56 UTC), 132 km (82 mi) below the surface.

A larger quake followed: M3.2 69 km ESE of Egegik, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 3.0 (ml), minor
Local time: Sat, Sep 4, 2021, 8:56 AM AKDT
UTC: 2021-09-04 16:56:57 UTC
Depth: 131.6 km (81.8 mi), intermediate-depth
Epicenter: 58.466° N, 155.346° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used: 178

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 41 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bcrls69 (also filed as us7000f7yt). Read Tue, Sep 22, 2026, 10:12 PM UTC.